Finding the Third Proportional to 1,210,790 and 2,547,058

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,790 : 2,547,058 = 2,547,058 : x
2. Step 2: Convert to fraction form
   1,210,790/2,547,058 = 2,547,058/x
3. Step 3: Cross multiply
   1,210,790x = 2,547,058 × 2,547,058
4. Step 4: Simplify right side
   1,210,790x = 6,487,504,455,364
5. Step 5: Solve for x
   x = 6,487,504,455,364/1,210,790
6. Step 6: Final answer
   x = 5,358,075.68